adjective sup·pos·i·tive \səˈpäzətiv\

Definition of suppositive

  1. :  characterized by, involving, or implying supposition :  supposed

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Origin and Etymology of suppositive

Late Latin suppositivus, from Latin suppositus (past participle of supponere to place under—influenced in meaning by Greek hypothetikos hypothetical) + -ivus -ive — more at suppose

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feeling or affected by lethargy

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